Kaa-277: initial refactoring
Kaa-277: Refactoring of package names for Client/Server sync
KAA-277: refactoring
KAA-277: Added next protocol attribute to http handlers
Kaa-277: fix review comments
Merge pull request #49 from kaaproject/feature/KAA-277

Kaa-277: Refactor Akka actors to be independent from platform-level protocol implementation